1 liter is equivalent to 1,000 milliliters how many litters are in 2,500 milliliters.

You can create and solve a proportion to get this answer.

Let x be the number of litters in 2500.

1. Write out proportion. 1/1000=x/2500

2. Cross Multiply. 1000x=2500

3. Divide by 1000 on each side. x=25